87901660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{5189}}^1$

素因数の和:5227

約数の個数: 72

約数和(自身を含む): 231930720

約数和(自身を除く): 144029060

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 770, 847, 1210, 1540, 1694, 2420, 3388, 4235, 5189, 8470, 10378, 16940, 20756, 25945, 36323, 51890, 57079, 72646, 103780, 114158, 145292, 181615, 228316, 285395, 363230, 399553, 570790, 627869, 726460, 799106, 1141580, 1255738, 1598212, 1997765, 2511476, 3139345, 3995530, 4395083, 6278690, 7991060, 8790166, 12557380, 17580332, 21975415, 43950830, 87901660]

約数ペア:

[(1, 87901660), (2, 43950830), (4, 21975415), (5, 17580332), (7, 12557380), (10, 8790166), (11, 7991060), (14, 6278690), (20, 4395083), (22, 3995530), (28, 3139345), (35, 2511476), (44, 1997765), (55, 1598212), (70, 1255738), (77, 1141580), (110, 799106), (121, 726460), (140, 627869), (154, 570790), (220, 399553), (242, 363230), (308, 285395), (385, 228316), (484, 181615), (605, 145292), (770, 114158), (847, 103780), (1210, 72646), (1540, 57079), (1694, 51890), (2420, 36323), (3388, 25945), (4235, 20756), (5189, 16940), (8470, 10378)]